| Button | Function | |--------|-----------| | Power | Turn TV on/off | | Source/Input | Switch between HDMI1, HDMI2, AV, USB, etc. | | Home | Return to smart TV launcher/home screen | | Volume + / - | Adjust sound level | | Channel ▲/▼ | Change channels (antenna mode) or navigate menus | | OK/Enter | Confirm selection | | Back | Return to previous menu or screen | | Menu/Settings | Open quick settings (picture, sound, network) | | Mute | Silence audio | | Netflix / Prime Video | Direct app launch (on some models) | | Numbers (0-9) | Direct channel entry or password input |